英语词汇mental arithmetic怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	mental arithmetic
释义	mental arithmeticBrE /ˌmentl əˈrɪθmətɪk/NAmE /ˌmentl əˈrɪθmətɪk/ noun [U] adding, multiplying, etc. numbers in your mind without writing anything down or using a calculator 心算
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英汉双解词典包含314281条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。